drm/i915: use pipe bpp in DP link bandwidth calculation (89c61432) · Commits · 戴 / test

Now that we track bpp on a per-pipe basis, we can use the actual value rather than assuming 24bpp. Signed-off-by:

drivers/gpu/drm/i915/intel_dp.c

+7 −5

Original line number	Diff line number	Diff line
		@@ -179,12 +179,14 @@ intel_dp_link_clock(uint8_t link_bw)
		static int
		intel_dp_link_required(struct drm_device dev, struct intel_dp intel_dp, int pixel_clock)
		{
		struct drm_i915_private *dev_priv = dev->dev_private;
		struct drm_crtc *crtc = intel_dp->base.base.crtc;
		struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
		int bpp = 24;

		if (is_edp(intel_dp))
		return (pixel_clock * dev_priv->edp.bpp + 7) / 8;
		else
		return pixel_clock * 3;
		if (intel_crtc)
		bpp = intel_crtc->bpp;

		return (pixel_clock * bpp + 7) / 8;
		}

		static int